if (!(i->type & (ITER_BVEC|ITER_KVEC))) {
iterate_iovec(i, bytes, v, iov, skip, ({
- err = fault_in_multipages_readable(v.iov_base,
- v.iov_len);
+ err = fault_in_pages_readable(v.iov_base, v.iov_len);
if (unlikely(err))
return err;
0;}))
int unused = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1);
/* [curbuf,unused) is in use. Free [idx,unused) */
while (idx != unused) {
- buf = &pipe->bufs[idx];
- buf->ops->release(pipe, buf);
- buf->ops = NULL;
+ pipe_buf_release(pipe, &pipe->bufs[idx]);
idx = next_idx(idx, pipe);
pipe->nrbufs--;
}
size_t *start)
{
struct pipe_inode_info *pipe = i->pipe;
- size_t n = push_pipe(i, maxsize, &idx, start);
+ ssize_t n = push_pipe(i, maxsize, &idx, start);
if (!n)
return -EFAULT;
maxsize = n;
n += *start;
- while (n >= PAGE_SIZE) {
+ while (n > 0) {
get_page(*pages++ = pipe->bufs[idx].page);
idx = next_idx(idx, pipe);
n -= PAGE_SIZE;